How to fill cosmetic airless bottles?

Filled with a vacuum filler.
The vacuum filling machine is a machine for filling at a pressure lower than the atmospheric pressure in the bottle. It uses continuous vacuum suction to draw the product into the container. The continuous suction is connected by a vacuum chamber and a special filling valve. The vacuum pump is generated.
The process is generally as follows: boxes with empty bottles are stacked on pallets, sent to the unloading machine by a conveyor belt, and the trays are unloaded one by one. The empty box is sent to the box washing machine via a conveyor belt, cleaned, and then conveyed to the box machine so that the bottles containing the beverages can be filled therein.
The empty bottles taken out of the box unloader are sent to the bottle washer for disinfection and cleaning by another conveyor belt. After being inspected by the bottle inspection machine, they pass through the filling machine and capping machine after meeting the cleaning standards. Beverages are filled into bottles by the filler. The filled bottles are capped and sealed by a capping machine and conveyed to a labeling machine for labeling. After labeling, the bottles are sent to a cartoning machine and placed in a box.